Which of the following ligands are ambidentat | vedclass

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(D) An ambidentate ligand is a ligand that can coordinate to a central metal atom through two different donor atoms.In the given list:$P: NO_3^-$ is n

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$Q$ and $R$

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(D) An ambidentate ligand is a ligand that can coordinate to a central metal atom through two different donor atoms.In the given list:$P: NO_3^-$ is not ambidentate.$Q: NO_2^-$ can coordinate through $N$ (nitro) or $O$ (nitrito),so it is ambidentate.$R: CN^-$ can coordinate through $C$ (cyano) or $N$ (isocyano),so it is ambidentate.$S: SCN^-$ can coordinate through $S$ (thiocyanato) or $N$ (isothiocyanato),so it is ambidentate.Among the given options,$Q$,$R$,and $S$ are ambidentate. The combination $Q$ and $R$ is listed in option $D$.

List-$I$ (Complex)	List-$II$ (Primary valency and Secondary valency)
$(A)$ $[Co(en)_2 Cl_2] Cl$	$(I)$ $3, 6$
$(B)$ $[Pt(NH_3)_2 Cl(NO_2)]$	$(II)$ $2, 4$
$(C)$ $Hg[Co(SCN)_4]$	$(III)$ $3, 4$
$(D)$ $[Mg(EDTA)]^{2-}$	$(IV)$ $2, 6$

Which of the following ligands are ambidentate?
$P: NO_3^-$,$Q: NO_2^-$,$R: CN^-$,$S: SCN^-$

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Which of the following ligands are ambidentate? $P: NO_3^-$,$Q: NO_2^-$,$R: CN^-$,$S: SCN^-$